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Applied Sciences
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Advances in Antenna Radiation Patterns
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Advances in Antenna Radiation Patterns

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: closed (20 February 2024) | Viewed by 1667

Special Issue Editors

Dr. Sandra Costanzo

E-Mail Website
Guest Editor
DIMES, University of Calabria, 87036 Rende, Italy
Interests: antennas; 5G
Special Issues, Collections and Topics in MDPI journals
Dr. Giovanni Buonanno

E-Mail Website
Guest Editor
Department of Computer Engineering, Modeling, Electronics and Systems, University of Calabria, 87036 Arcavacata, Italy
Interests: signal processing; random variables; dielectric constant; antenna array; convolutional neural network; resonance frequency; magnetic resonance imaging; random array; array factor; glucose concentration; microwave imaging; resonant sensor; electromagnetic field; microstrip antenna; patch antenna
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Increasing connectivity requires highly sophisticated communication systems to deal with specific radiation features (e.g., contemporary multi-beams on a very low sidelobe level). New 5G (and futuristic 6G) technology demands for radio systems can provide challenging radiation patterns with beam-steering capabilities and MIMO configurations, thus improving the design of large-scale arrays with aperiodic distributions, which involve an increasing complexity in the synthesis stage.

The Special Issue aims to collect new ideas and contributions on the development of methods for new insights in antenna radiation patterns for advanced communication technologies. Original as well as state-of-art review papers discussing advanced antenna and/or array configurations, as well as design strategies based on innovative algorithms and/or machine learning techniques, are welcome.

Dr. Sandra Costanzo
Dr. Giovanni Buonanno
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • radiation patterns for multi-beam applications
  • challenging radiation patterns for 5G/6G technologies
  • large-scale arrays with aperiodic distributions
  • reconfigurable antennas

Published Papers (1 paper)

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Research

14 pages, 3170 KiB  
Article
Radiation Pattern Synthesis Using Constraint Convex Optimization Algorithm for Conformal Antenna Array
by Taimur Ahmed Khan, Muhammad Irfan Khattak, Abdul Basit, Salman A. AlQahtani, Abdulaziz M. Alawwad and Abdullilah A. Alotaibi
Appl. Sci. 2023, 13(21), 11633; https://doi.org/10.3390/app132111633 - 24 Oct 2023
Viewed by 1319
Abstract
In this paper, a model based on constraint convex optimization is proposed for the radiation pattern synthesis in cylindrical and spherical microstrip conformal array antennas. The optimization algorithm is modeled to decrease the Euclidean distance between the obtained radiation pattern of the deformed [...] Read more.
In this paper, a model based on constraint convex optimization is proposed for the radiation pattern synthesis in cylindrical and spherical microstrip conformal array antennas. The optimization algorithm is modeled to decrease the Euclidean distance between the obtained radiation pattern of the deformed array and the desired radiation pattern of the planar array by calculating the suitable amplitude and phase values for the individual array patches. Four prototypes of 2×2, 3×3, 4×4, and 5×5 microstrip patch array antenna are used as the radiating elements which are deformed from planar arrangement and placed on the faces of prescribed spherical and cylindrical shapes with various radii of curvatures. The results reveal that the performance of optimization algorithm performs better in 5×5 array, followed by 4×4 array, 3×3 array, and 2×2 array. However, 5×5 array provides more degrees of freedom for tuning the radiation pattern in desired form. The 5×5 array computes suitable amplitude and phase values for the radiating elements of the array, which restore the radiation pattern in terms of mainlobe reconstruction, null locations, sidelobe levels, up to the deformation of 20 cm in both spherical and cylindrical configurations of conformal array. The proposed optimization technique when applied to conformal antenna array offers fast computational speed and good convergence accuracy for radiation pattern synthesis, which can be useful for various engineering applications. Full article
(This article belongs to the Special Issue Advances in Antenna Radiation Patterns)
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